.book-detail-bg {
	height: 160px;
	background: url(../img/book-title.png) no-repeat;
	background-size: 101% 101%;
}

.index {
	border-bottom: 1px solid red;
}
.index a {
	display: block;
	width: 100px;
	height: 30px;
	font-size: 20px;
	text-align: center;
	line-height: 30px;
	color: red;
	text-decoration: none;
	cursor: pointer;
	border: 1px solid red;
	border-bottom: none;
	background-color: white;
}
.index a:hover {
	background-color: red;
	color: white;
}

.book-img {
	width: 450px;
	height: 500px;
	text-align: center;
	border: 1px solid lightgray;
	background-color: white;
}
.book-img img {
	width: 300px;
	margin-top: 35px;
	
}
.book-info {
	width: 740px;
	height: 500px;
	padding: 20px 100px ;
	background-color: #FFFFFF;
}
.book-info .book-name {
	font-size: 28px;
}
.book-info .book-price {
	font-size: 26px;
}
.book-price span {
	color: red;
}
.book-collect {
	font-size: 16px;
}

.book-info input {
	width: 28px;
	padding: 0;
	margin-left: 10px;
	margin-right: 30px;
	text-align: center;
	border-radius: 3px;
	border: 1px solid lightgray;
}
.book-info .book-count {
	position: relative;
	font-size: 18px;
}
.book-count .up {
	position: absolute;
	top: -8px;
	left: 130px;
}
.up:hover , .down:hover {
	cursor: pointer;
	color: red;
}
.book-count .down {
	position: absolute;
	top: 13px;
	left: 130px;
}

.btn-box a {
	display: inline-block;
	width: 120px;
	height: 40px;
	font-size: 18px;
	color: red;
	text-decoration: none;
	line-height: 40px;
	text-align: center;
	margin-right: 30px;
	border: 1px solid red;
	border-radius: 3px;
	cursor: pointer;
}
.btn-box a:hover {
	background-color: red;
	color: white;
}

/* ======== 数量按钮 ========== */
.input-group {
	width: 112px;
	margin: 0 auto;
}
.input-group input {
	padding: 0;
	left:-10px;
	text-align: center;
}
.input-group .glyphicon {
	top: 0;
}
